<!DOCTYPE html>
<html>
	<head>
		<meta charset="utf-8">
		<title>活动图模块</title>
		<style>
			*{
				margin: 0;
				padding: 0;
				list-style: none;
			}
			section #event{
				width: 1104px;
				height: 260px;
				back ground: #000;
				margin: 0 auto;
			}
			/*图片飘 li */
			section #event ul li{
				float: left;
				/*间隙：上册、左侧位*/
				margin-left:13.25px;
				margin-top: 20px;
			}
			/*图片：宽高*/
			section #event ul li img{
				width: 266px;
				height: 200px;
			}
			/*去掉左侧位 外边距：0*/
			section #event ul li:first-child{
				bord er: 1px solid red;
				margin-left: 0;
			}
			/*移动上面改变效果：下阴影*/
			section #event ul li:hover{
				filter: drop-shadow(0 0 8px #c1bbbf);
			}
		</style>
	</head>
	<body>
		<!--section结构化元素：页面区域划分、文章分节、章节划分 
		活动图中控区 -->
		<section>
		<div id="event">
			<ul>
				<li><img src="img/left.png" alt="1"></li>
				<li><img src="img/subnav_icon01.png" alt="2"></li>
				<li><img src="img/subnav_icon02.jpg" alt="3"></li>
				<li><img src="img/subnav_icon03.png" alt="4"></li>
			</ul>
		</div>
		</section>
	</body>
</html>